Botnet Statistics [2013-03-21]

detection period: 2013-03-21 00:00-23:59 UTC
total number of suspected botnet IPs: 4492
number of botnet IPs notified to network operators: 3791
number of spam blocked: 3161
recipient count of spam blocked: 9426

The top 10 networks (as found in WHOIS), ordered by number of suspected botnet IPs are:

Rank	Network	# of suspected botnet IPs
1	CHINANET-JS	727
2	CRTC	485
3	CHINANET-HE	398
4	BY-BELPAK-20091210	281
5	CTTNET	235
6	CHINANET-GD	138
7	UNICOM-GD	100
8	BY-BELPAK-20120330	65
9	VNPT-VNNIC-VN	64
10	HINET-NET	63

The top 10 countries (as defined by the 2-character country code), ordered by number of suspected botnet IPs are:

Rank	Country	# of suspected botnet IPs
1	China	2518
2	Belarus	480
3	Kazakhstan	188
4	Ukraine	122
5	United States	115
6	Viet Nam	110
7	Taiwan	84
8	Russian Federation	77
9	Peru	61
10	India	52